11320323020 has 24 divisors (see below), whose sum is σ = 23885353968. Its totient is φ = 4506667200.

The previous prime is 11320323019. The next prime is 11320323023. The reversal of 11320323020 is 2032302311.

It is a super-3 number, since 3×11320323020³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11320323020.

It is not an unprimeable number, because it can be changed into a prime (11320323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337051 + ... + 1345490.

It is an arithmetic number, because the mean of its divisors is an integer number (995223082).

Almost surely, 2^11320323020 is an apocalyptic number.

11320323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320323020 is an abundant number, since it is smaller than the sum of its proper divisors (12565030948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320323020 is a wasteful number, since it uses less digits than its factorization.

11320323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682761 (or 2682759 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11320323020 its reverse (2032302311), we get a palindrome (13352625331).

The spelling of 11320323020 in words is "eleven billion, three hundred twenty million, three hundred twenty-three thousand, twenty".